<html>
<body>
<h2>Hello World!</h2>
get:<a href="/order/11">getDemo</a><br>
post:
<form method="post" action="/order/22">
    <input type="submit" value="post">
</form><br>
put:
<form method="post" action="/order/33">
    <input type="hidden" name="_method" value="put">
    <input type="submit" value="put">
</form>
<br>
delete:
<form method="post" action="/order/44">
    <input type="hidden" name="_method" value="delete">
    <input type="submit" value="delete">
</form>
</body>
</html>
